- Air_______ is one of the biggest problems in the world today
- Yes. We must take action to make the air less_______.
| A．pollution; pollution | B．pollute; pollution |
| C．pollution; pollute | D．pollution; polluted |
I used to spend much time ___ TV at home.
| A．watch | B．watching | C．to watch | D．watches |
We can’t afford _____ such a high price .
| A．to pay | B．paid | C．pay | D．pays |
I have _____ work to do that I can’t go out with you .
| A．much too | B．too much | C．so many | D．so much |
She doesn’t feel _____ though she is ____.
| A．alone , lonely | B．lonely , lonely | C．lonely, alone | D．alone , alone |
When we practice_____English,we often end up___in Chinese.
| A．speaking,speaking | B．speaking, to speak |
| C．to speak,speaking | D．To speak, to speak |